CN107053810B - A kind of steel plate color-coating production method and process units - Google Patents
A kind of steel plate color-coating production method and process units Download PDFInfo
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- CN107053810B CN107053810B CN201610203519.9A CN201610203519A CN107053810B CN 107053810 B CN107053810 B CN 107053810B CN 201610203519 A CN201610203519 A CN 201610203519A CN 107053810 B CN107053810 B CN 107053810B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/53—Base coat plus clear coat type
- B05D7/534—Base coat plus clear coat type the first layer being let to dry at least partially before applying the second layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of steel plate color-coating production method, the method includes the steps: the steel plate color-coating production method comprises the following production steps that (1a) No. 1 strip uncoiling: using uncoiler, No. 1 steel band material volume is gradually spread out, No. 1 strip is obtained；(2a) No. 1 strip pinches: using clamping and conveying device by No. 1 steel band downstream transport；(3a) No. 1 strip entrance shearing；(4) converge pinch；(5) it rivets；(6) it flattens；(7) entry loop；(8) degreasing；(9) it washes；(10) change and apply；(11) change and apply drying；(12) powder sprays: in steel strip surface dusty spray coating；(13) primary spraying solidification；(14) primary spraying is strong cold；(15) secondary specific coatings spraying: by it is strong it is cold after the material that once sprays of process in carry out specific coatings spraying；(16) specific coatings curing molding secondary specific coatings molding: is carried out in coating molding machine；(17) outlet looping；(18) cold overlay film；(19) preceding pinch is cut；(20) discharging shearing；(21) rewinding pinches；(22) it winds.
Description
Technical field
The invention mainly relates to a kind of steel plate coating method and devices, relate more particularly to a kind of steel plate color-coating production method
And process units, belong to steel plate color-coating technical field.
Background technique
During steel plate color-coating processing, the coating material containing organic solvent is needed to be applied to strip of steel plate
On, it is handled by subsequent drying, consolidation etc., just can so produce with figuratum strip of steel plate, can be applied to house and build
It builds, in the numerous areas such as various electric appliances.
Currently, having been equipped with thousands of spray painting paint line, but these paint line in domestic color steel plate industry
Traditional circulating air heating drying tunnel, 40-60 meters of the drying tunnel length are all used, heating region temperature is divided into 4 regions: 1st area
240 DEG C of 220 DEG C, 320 DEG C of 2nd area, 330 DEG C of 3rd area and 4th area；Wherein used in paint in usually contain volume content be 60% with
On hazardous solvent (such as benzene, ketone), they discharge VOC (volatile organic matter) it is very big to human health damage, together
When environmental pollution it is serious.
In order to make improvements, people have carried out a large amount of further investigation, and achieve some beneficial improvement, example
Such as:
Chinese utility model patent CN201020229817.3 discloses a kind of color coating line, process flow are as follows: on
Volume trolley → uncoiler → uncoiling pinch roller → entrance plate shearing machine → turning, clamping and conveying roller → convergence pinch roller → double sewing machine →
Burr removing roller → 1# tensioner → entry loop → deviation correcting device → 2# tensioner → precleaning unit → brushing device → buck
Cleaning device → 1# water washing device → 2# water washing device → hot-air drier → verticalization painting machine → vertical curing oven → 3# tension
Device → deviation correcting device → rendering roller coating device → prime oven → quenching cooling apparatus → cold air drying device →-tensioner →
Deviation correcting device → printing device → finish oven → 2# essence applies roller coating device → finish oven → hot film covering device → water quenching
Cooling device → cold air drying device → 5# tensioner → vertical outlet looping device → deviation correcting device → 6# tensioner → pinch
Roller arrangement → outlet plate shearing machine → outlet pinch roller → coiling machine → coil stripping car can be with by the use of the paint line
Realize indirect heating curing oven, it is contaminated so as to avoid plate face.
Chinese utility model patent CN201220425278.X discloses a kind of Multifunctional color coating line, the production line
It is sequentially connected by following equipment: feeding cart, uncoiler, pinch machine, cutter, sewing machine, 1# tensioning device, preceding loop, 2#
Tight machine, the pre- degreasing section of chemistry, roller brush machine, clear water jetter, hot-air drying unit, changes painting machine, changes painting drying 1# transducer
Furnace, Air cooler, steering roller arrangement, base coating machine, primary coat curing oven, primary coat is air-cooled and water cooling plant, steering roller arrangement, the face 1# apply
Machine, the face 1# apply curing oven, the face 1# applies air-cooled and water cooling plant, turn to roller arrangement, 2# transducer, turn to roller arrangement, the face 2# applies
Machine, the face 2# apply curing oven, the face 2# apply it is air-cooled with water cooling plant, 3# tensioning device, turn to roller arrangement, double roller transducer, embossing machine,
Printing machine, coating machine, coating curing oven, hot overlay film unit, it is air-cooled with water cooling plant, 4# tensioning device, rear loop, 5# tensioning device,
Cutter, turning, clamping and conveying machine, winding unit, dump car；The production line may be implemented to complete a variety of works on a production line
Skill has good production versatility and universality.
However, country, which has expressly provided, must take stringent environmental protection and waste water, exhaust gas using solvent-based paints
Treatment measures up to standard have been put into effect to the behave that such coating adds the consumption tax and strict control uses is used again in the recent period, this is undoubtedly
Huge production cost rising pressure is brought to related enterprise.
In order to overcome drawbacks described above, foreign countries have been developed for color steel plate powder coating production line, and have obtained reality
Using.Solvent-based paints coating color steel plate is replaced using powdery paints, not only there is the absolute predominance for solving environmental protection, also have and mention
High product performance, energy conservation, many benefits for economizing on resources and reducing cost.
But on the other hand, there is two technological difficulties for powder coating color steel plate technology: 1, needing to solve " big powder
Measure electrostatic dusting technology "；2, need to solve the rapid curing of the quickly color steel plate surface powder coating of (25-100m/min) operation
Technology.The two technological difficulties are also two key points that color steel realizes high speed coating, are that high speed coating is able to guarantee important
How factor solves two above key technical problem, is always the technical problem for perplexing major manufacturer.
Therefore, for developing a kind of new steel plate color-coating production method and process units, not only there is urgent research valence
Value, it may have good economic benefit and commercial application potentiality, this power place exactly of the invention being accomplished and basic institute
It leans on.
Summary of the invention
In order to overcome the defect of existing steel plate color-coating production method and process units as indicated above, and seek novel
Steel plate color-coating production method and process units, the present inventor this is had made intensive studies, paying a large amount of creative labor
After dynamic, so as to complete the present invention.
Specifically, the technical problems to be solved by the present invention are: providing a kind of steel plate color-coating production method and production dress
It sets, the production method, to realize the application techniques of " painting with powder generation ", improves ring by specific process flow etc.
Border improves the production efficiency of color steel, has good environment friendly and Personal Safety.
In order to solve the above technical problems, the technical scheme is that providing a kind of steel plate color-coating production method, the steel
Plate color coating production method comprises the following production steps that (1a) No. 1 strip uncoiling: using uncoiler, gradually by No. 1 steel band material volume
Expansion, obtains No. 1 strip；(2a) No. 1 strip pinches: using clamping and conveying device by No. 1 steel band downstream transport；(3a) No. 1 strip
Entrance shearing；(4) converge pinch；(5) it rivets；(6) it flattens；(7) entry loop；(8) degreasing；(9) it washes；(10) change and apply；
(11) change and apply drying；(12) it sprays: in steel strip surface dusty spray coating；(13) it spraying solidification: is carried out in spraying curing oven
Powder coating curing process；(14) spraying is strong cold: steel band exports cooling rear steering by the tail portion of spraying curing oven and is delivered to outlet
At piston；(19) outlet looping；(20) cold overlay film；(21) preceding pinch is cut；(22) discharging shearing；(23) rewinding pinches；(24) it receives
Volume.
It further include (1b) 2 as a kind of perferred technical scheme in the steel plate color-coating production method of the invention
Number strip uncoiling: uncoiler is used, No. 2 steel band material volumes are gradually spread out, No. 2 strips are obtained；(2b) No. 2 strips pinch: using
Pinch mechanism is by No. 2 steel band downstream transports；(3b) No. 2 strip entrance shearings.
Wherein, No. 1 strip is arranged in parallel with No. 2 strips, and No. 1 strip is converged with No. 2 strips in step (4), so
Backward downstream pinch.Namely: step (1a)-(3a) is arranged in parallel with step (1b)-(3b), then converges together, carries out step
(4) and the processing of subsequent step it, will also recognize that and inerrably record and express in fig. 1.
In the steel plate color-coating production method of the invention, as a kind of perferred technical scheme, in step (13)
In, the entrance location for being equipped with 260 DEG C of circulating air in the spraying curing oven, and being located at the spraying curing oven is equipped with close red
(NIR) irradiated heat device outside.
To solve above-mentioned technical problem and complete the above method, invention additionally discloses and to provide a kind of steel plate color-coating raw
Device is produced, the process units includes No. 1 strip decoiling equipment, No. 1 strip clamping and conveying device, No. 1 strip entrance set gradually
Shear converges clamping and conveying device, riveting set, pressuring flat device, entry loop device, degreasing plant, water washing device, changes painting
Machine changes painting drying unit, flush coater, spraying curing oven, the strong device for cooling of spraying, outlet looping device, cold film covering device, cuts fore-clamp
Send device, discharging shear, rewinding clamping and conveying device and wrap-up.
In the steel plate color-coating process units of the invention, as a kind of perferred technical scheme, with No. 1 band
Expect that decoiling equipment, No. 1 strip clamping and conveying device and No. 1 strip entrance shear parallel side-by-side are equipped with No. 2 strip decoiling equipments, 2
Number strip clamping and conveying device and No. 2 strip entrance shears, No. 1 strip entrance shear and No. 2 strip entrances shearings
Device it is described converge converge at clamping and conveying device.
The setting realizingly can also be found out and be expressed from attached drawing 1.
In the steel plate color-coating process units of the invention, as a kind of perferred technical scheme, the spraying solidification
260 DEG C of circulating air is equipped in furnace, and the entrance location for being located at the spraying curing oven is equipped with near-infrared (NIR) irradiated heat
Device.
In the steel plate color-coating process units of the invention, as a kind of perferred technical scheme, the near-infrared
(NIR) irradiated heat device includes fixed frame, the upper mounting rack and lower mounting rack being oppositely arranged up and down in the fixed frame,
Steel band conveys between the upper mounting rack and lower mounting rack, the upper mounting rack and lower mounting rack it is adjacent two surfaces it is equal
Several near-infrared lamps are installed, the extending direction of the near-infrared lamp is vertical with the conveying direction of steel band.
Wherein, the quantity of the near-infrared lamp can be after reading technical solution of the present invention, according to actual production demand
Reasonably it is arranged, this is the ability that those skilled in the art should have after reading the present invention, is no longer carried out herein detailed
Thin description.
In the steel plate color-coating process units of the invention, as a kind of perferred technical scheme, the upper mounting rack
And guard pins are equipped on lower mounting rack between adjacent two near-infrared lamps, the guard pins perpendicular to the upper mounting rack or
The surface of lower mounting rack, the distance of the end of the guard pins to steel strip surface be less than the near-infrared lamp to steel strip surface away from
From.
In the steel plate color-coating process units of the invention, as a kind of perferred technical scheme, No. 1 strip
Clamping and conveying device includes pedestal, column is fixedly installed on the pedestal, the top of the column is hingedly equipped with counter-jib, described
One end of counter-jib is rotatably equipped with the drive roll driven by servo motor, between the other end of the counter-jib and the column
Equipped with the first hydraulic cylinder, a driven voller is rotatably equipped on the column, the driven voller is opposite with the drive roll position
It answers；Trailing arm is hingedly installed, the trailing arm has holding for support steel band on the column corresponding with the driven voller position
Support is equipped with the second hydraulic cylinder between the trailing arm and pedestal.
In the steel plate color-coating process units of the invention, as a kind of perferred technical scheme, the spraying is strong cold
Device and the strong device for cooling of spraying include horizontally disposed cooler bin, and the both ends of the cooler bin are respectively equipped with forward (FWD) mouth and out band
Mouthful, the first spray tube of powder coating on spray steel band, first spray are equipped in the cooler bin of the forward (FWD) mouth
The downstream of shower pipe is equipped with the second spray tube for spraying two surfaces of steel band respectively, first spray tube and the second spray tube with
Cooling water pipe is connected；The third spray on spray two surfaces of steel band is equipped in the cooler bin of the band outlet
Pipe, the third spray tube connect liquid nitrogen pipe；The bottom of the cooler bin is equipped with waste collection mouth, sets at the top of the cooler bin
There is gas sampling mouth.
As described above, passing through the party the present invention provides a kind of steel plate color-coating production method and steel plate color-coating process units
The use of method and/or process units can obtain many beneficial effects, thus overcome technological deficiencies many in the prior art,
Such as achieve it is following the utility model has the advantages that
(1) after the transformation color steel plate circulating air drying tunnel of the present invention using near-infrared nonstorage calorifier, Ke Yibang
Color steel plate oil paint coating enterprise is helped to realize " painting with powder generation " to the purpose of high-end application techniques fast transformation, technology of the invention is special
Point is improved circulating air drying tunnel (drying tunnel of spraying curing oven), and it is complete to carry out continuous quadratic to color steel plate surface powder coating
The heat treatment of full different modes, enables the powdery paints under high-speed cruising state sufficiently to be solidified, and can guarantee outside film
It sees and the requirement of quality, the technology of the present invention gets up near infrared technology and perfect combination the advantages of circulating air technology, using close
Infrared technique quickly adds thermal property, the steel band in near-infrared nonstorage calorifier irradiation zone is rapidly heated, and make its table
Gentle local solidification is melted rapidly at flour end, then completes the perfect of film by drying tunnel hot wind and solidifies, both different modes
Heating compensates for mutual deficiency, meanwhile, the present invention is equipped with specific coatings processing unit (plant), can coating to particular/special requirement into
Row spraying, to realize the diversification of product, the environmental protection for being conducive to powdery paints is used.
(2) the existing drying tunnel of the technology of the present invention effective use oil paint coating production line, implementation is transformed into be applied suitable for powder
Expect quick-setting heating drying tunnel, take full advantage of existing equipment, greatly reduce cost of investment, avoid waste, using this
Inventive technique produces the color steel plate of coating powder coating, can solve the Heavy environmental pollution of long-standing problem industry and to operator
The problem of physical and mental health is wrecked has been inherently eliminated the generation of VOC, for country, has saved a large amount of organic solvents, thus
The positive effect to economize on resources with the energy is obtained, and color steel plate can be promoted to powder coating high-end technology fast transformation, is solved
The problem of environmental pollution of long-standing problem industry.
(3) due to being equipped with guard pins between two near-infrared lamps, the damage that steel band is risen and fallen in operation to near-infrared lamp is avoided
It ruins, extends the service life of near-infrared lamp.
(4) due to being hingedly equipped with trailing arm on column corresponding with driven voller position, further improve drive roll with
Driven voller avoids steel band and bends in conveying to the transfer efficiency of steel band, and then improves spraying effect and production effect
Rate.
(5) since the conveying direction in cooler bin along steel band has set gradually the first spray tube, the second spray tube and
Three spray tubes, the first spray tube and the second spray tube are that water is cooling, carry out pre- cooling processing to high-temperature steel belt, and third spray tube
It is cooling for liquid nitrogen, rapid cooling processing can be carried out to steel band, be arranged so the thermal stress on the one hand reducing steel band, another party
Face reduces destruction of the rapid cooling to powder coating, improves the spraying effect of steel plate.
As described above, the present invention provides a kind of steel plate color-coating production method and steel plate color-coating process units, by described
The use of method and apparatus can obtain many beneficial effects, overcome many defects in the prior art, industrially have
Good application prospect and productive potentialities, and there is good and huge economic value.
Detailed description of the invention
Fig. 1 is the process frame chart of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of near infrared irradiation heating device in the embodiment of the present invention two；
Fig. 3 is the structural schematic diagram of No. 1 strip clamping and conveying device in the embodiment of the present invention two；
Fig. 4 is the structural schematic diagram of tension balance device in the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram that strong device for cooling is sprayed in the embodiment of the present invention two.
Wherein, in Fig. 1 into Fig. 5, each number designation is respectively referred to for following concrete meaning, element and/or component.
In figure: 1, near infrared irradiation heating device, 101, fixed frame, 102, upper mounting rack, 103, lower mounting rack, 104,
Near-infrared lamp, 105, guard pins, 2, steel band, 3, No. 1 strip clamping and conveying devices, 301, pedestal, 302, column, 303, counter-jib,
304, drive roll, 305, driven voller, the 306, first hydraulic cylinder, the 307, second hydraulic cylinder, 308, trailing arm, 309, support face,
4, tension balance device, 401, support base, 402, gantry beam, the 403, first jockey pulley, the 404, second jockey pulley, 405, third
Power roller, the 406, the 4th jockey pulley, 407, roll force, 408, crank arm, 409, cylinder, 410, adjustment arm, 411, pressure roller, 5, spraying it is strong
Device for cooling, 501, cooler bin, 502, forward (FWD) mouth, 503, band outlet, the 504, first spray tube, the 505, second spray tube, 506,
Three spray tubes, 507, cooling water pipe, 508, liquid nitrogen pipe, 509, gas sampling mouth, 510, waste collection mouth, 6, means for correcting,
601, rack, 602, lower mold roller, 603, third hydraulic cylinder, 604, slide, 605, upper mold roller；7, specific coatings spraying furnace； 8,
Specific coatings molding machine；801, bracket；802, forming press-roller；803, support plate；804, coating mold；805, stepper motor.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.But the purposes and mesh of these exemplary embodiments
Be only used to enumerate the present invention, any type of any restriction not is constituted to real protection scope of the invention, it is more non-to incite somebody to action this
The protection scope of invention is confined to this.
Embodiment one
As shown in Figure 1, the steel plate color-coating production method is mainly wrapped the present invention provides a kind of steel plate color-coating production method
Include following production stage: (1a) No. 1 strip uncoiling is gradually spread out No. 1 steel band material volume using uncoiler；(2a) No. 1 band feed collet
It send, using clamping and conveying device by No. 1 steel band downstream transport；(3a) No. 1 strip entrance shearing；(1b) No. 2 strip uncoilings, using opening
Volume machine gradually spreads out No. 2 steel band material volumes；(2b) No. 2 strips pinch, using pinch mechanism by No. 2 steel band downstream transports；
(3b) No. 2 strip entrance shearings；(4) converge pinch, No. 1 strip and No. 2 strips are conveyed toward downstream jointly；(5) it rivets, uses
No. 1 strip and No. 2 strips are combined together by riveting welder, so that No. 1 strip is synchronous with No. 2 strips in finishing operations；(6) it presses
It is flat, it is using roller press mechanism that No. 1 strip and No. 2 strips pressings is smooth；(7) entry loop；(8) degreasing；(9) it washes；(10) change
It applies, preliminary treatment is carried out to steel strip surface using painting machine is changed；(11) change and apply drying；(12) powder sprays, in steel strip surface
Dusty spray coating；(13) primary spraying solidification, carries out powder coating curing process in spraying curing oven；(14) primary spraying
Qiang Leng；Steel band is exported the stem import that cooling rear steering is delivered to spraying curing oven by the tail portion of spraying curing oven, solid in spraying
The outside for changing furnace is cooled down；(15) secondary specific coatings spraying: by it is strong it is cold after the material that once sprays of process in carry out it is special
Different coating spraying；(16) specific coatings curing molding secondary specific coatings molding: is carried out in coating molding machine；(17) go out
Mouth loop；(18) steel strip surface for being coated with powder coating is covered with protecting film in room temperature or lower than under normal temperature state by cold overlay film；
(19) preceding pinch is cut；(20) discharging shearing；(21) rewinding pinches；(22) it winds.
Wherein, No. 1 strip is arranged in parallel with No. 2 strips, and No. 1 strip is converged with No. 2 strips in step (4), so
Backward downstream pinch.Namely: step (1a)-(3a) is arranged in parallel with step (1b)-(3b), then converges together, carries out step
(4) and the processing of subsequent step.By being arranged so set, the double-deck of strip may be implemented, thus can be same to the double-deck strip
When spray so that the production efficiency of color steel is doubled.
Wherein, step (7), (8), (9), (10), (11), (12) are institute's general procedure in existing production, herein no longer
It repeats.
Wherein, in step (13), the circulating air in curing oven equipped with 260 DEG C is sprayed, and is located at spraying curing oven
Entrance location be equipped near infrared irradiation heating device, the near infrared irradiation heating device be generally spaced setting several, as
Gauge is from those skilled in the art can be not limited thereto according to the conveying speed sets itself of strip.Here, needing
Bright, near infrared irradiation belongs near infrared irradiation, and wavelength is between 0.8-1.5 μm, and irradiated rays are concentrated, irradiation energy
It is very high, it is demonstrated experimentally that in conjunction with 260 DEG C of circulating air powdery paints rapid curing can be made within irradiated heat 5-10 seconds.Cause
This, can satisfy the needs of high-speed production, and compared with 330 DEG C of traditional hot air circulations, curing rate of the present invention is fast, and can
To realize the high speed conveying of strip, production efficiency is improved, production cost is reduced, decreases energy use.
Wherein, in step (15), (16), different demands can be directed to, the spraying and sizing of specific coatings are carried out, at this
In invention, the spraying of secondary specific coatings be by it is strong it is cold after the material that once sprays of process in carry out specific coatings spraying；It is secondary
Specific coatings molding is the progress specific coatings curing molding in coating molding machine.
Wherein, step (17), (18), (19), (20), (21), (22) are also general procedure in existing production, herein no longer
It repeats.
Embodiment two
As Fig. 1 to Fig. 5 jointly shown in, the present invention also provides a kind of steel plate color-coating process units, the steel plate color-coating is raw
Producing device mainly to include includes No. 1 strip decoiling equipment set gradually, No. 1 strip clamping and conveying device, No. 1 strip entrance shearing
Device converges clamping and conveying device, riveting set, pressuring flat device, entry loop device, degreasing plant, water washing device, changes painting machine, changes
Apply drying unit, flush coater, spraying curing oven, the strong device for cooling of spraying, the strong device for cooling 5 of spraying, specific coatings spraying furnace 7, special
Coating molding machine 8, cold film covering device, cuts preceding clamping and conveying device, discharging shear, rewinding clamping and conveying device at outlet looping device
And wrap-up；The specific coatings molding machine 8 includes bracket 801, the more than one forming press-roller on bracket 801
802, the forming press-roller 802 and 801 axis connection of bracket, the forming press-roller 802 are arranged right below support plate 803, institute
State 802 outer surface of forming press-roller and be equipped with the coating mold 804 detachably replaced, the forming press-roller 802 by with it is described at
The stepper motor 805 that type pressure roller 802 connects controls rotation.
Wherein, parallel simultaneously with No. 1 strip decoiling equipment, No. 1 strip clamping and conveying device and No. 1 strip entrance shear
Column are equipped with No. 2 strip decoiling equipments, No. 2 strip clamping and conveying devices and No. 2 strip entrance shears, and No. 1 strip entrance is cut
Cutting apparatus and No. 2 strip entrance shears it is described converge converge at clamping and conveying device.
Wherein, various strip decoiling equipments, various strip entrance shears, riveting set, pressuring flat device, entry loop
Device degreasing plant, water washing device, changes painting machine, changes and apply drying unit, flush coater, spraying curing oven, outlet looping device, cold
Film covering device, discharging shear and wrap-up are commonly used equipment in existing production, and details are not described herein.
It should be noted that in the present invention, wherein change traditional double-deck curing process, the present invention only uses one kind
Curing process, it is possible to reduce the occupied area of production line improves land utilization ratio, then carries out step (16), (17), (18) again
When, it is easy to use identical resource, reduces the laying of pipeline, reduces equipment cost.Spraying strong device for cooling tail portion has first
Guide roller, the first guide roller import steel band 2, and steel band 2 is delivered to the strong cold charge of spraying by the tail portion outlet turning of spraying curing oven
The stem import set is cooled down in the outside of spraying curing oven.
Wherein, the entrance location for spraying the circulating air in curing oven equipped with 260 DEG C, and being located at spraying curing oven is equipped with close
Infrared radiation heating device 1, which, which is generally spaced, is arranged several, as spacing distance, this field
Technical staff can be not limited thereto according to the conveying speed sets itself of strip.Here, it is to be appreciated that NIR irradiation belongs to
Near infrared irradiation, wavelength are between 0.8-1.5 μm, and irradiated rays are concentrated, and irradiation energy is very high, it is demonstrated experimentally that irradiation adds
It can make powdery paints rapid curing within hot 5-10 seconds, 250~260 DEG C high temperature sections of the steel plate in drying tunnel heat 40 seconds thereafter
Left and right sufficiently completes the solidification of powdery paints and obtains quality film up to standard, therefore, can satisfy the needs of high-speed production,
Compared with 330 DEG C of traditional hot air circulations, curing rate of the present invention is fast, and the high speed conveying of strip may be implemented, and improves
Production efficiency, reduces production cost, decreases energy use.Actual production effect shows that the powder on 2 surface of steel band exists
Levelling and primary solidification are melted under the irradiation of near infrared irradiation heating device 1 rapidly, while the temperature of steel band 2 is quickly ramped up to 200
DEG C or more, steel band 2 subsequently enters 260 DEG C of high-temperature regions of hot wind drying tunnel, solidifies powder coat further sufficiently and ensures film
The quality drawback of appearance is not generated.
As shown in Fig. 2, the near infrared irradiation heating device 1 includes fixed frame 101, phase up and down in fixed frame 101
Upper mounting rack 102 and lower mounting rack 103 to setting, steel band 2 convey between upper mounting rack 102 and lower mounting rack 103, on
Mounting rack 102 and adjacent two surfaces of lower mounting rack 103 are mounted on several near-infrared lamps 104, the extension of near-infrared lamp 104
Direction is vertical with the conveying direction of steel band 2.
Guard pins 105, guard pins are equipped on upper mounting rack 102 and lower mounting rack 103 between two adjacent near-infrared lamps 104
105 perpendicular to upper mounting rack 102 or lower mounting rack 103 surface, the distance on end to 2 surface of steel band of guard pins 105 is less than
NIR near-infrared lamp 104 to 2 surface of steel band distance.
As shown in figure 3, No. 1 strip clamping and conveying device 3 includes pedestal 301, column 302, column are fixedly installed on pedestal 301
302 top is hingedly equipped with counter-jib 303, and one end of counter-jib 303 is rotatably equipped with the drive roll driven by servo motor
304, the first hydraulic cylinder 306 is equipped between the other end and column 302 of counter-jib 303, the cylinder body of the first hydraulic cylinder 306 is cut with scissors
It connects and is mounted on column 302, the piston rod of the first hydraulic cylinder 306 is hinged on counter-jib 303, is rotatablely installed on column 302
There is a driven voller 305, driven voller 305 is corresponding with 304 position of drive roll, drives counter-jib 303 by the first hydraulic cylinder 306
Pressure is risen, and when pressure conveys steel band 2, and when rise then stops conveying；In order to improve drive roll 304 with it is driven
Roller 305 avoids steel band 2 from bending in conveying, column corresponding with 305 position of driven voller the transfer efficiency of steel band 2
Trailing arm 308 is hingedly installed, trailing arm 308 has the support face 309 of support steel band 2, sets between trailing arm 308 and pedestal 301 on 302
There is the second hydraulic cylinder 307, the cylinder body of the second hydraulic cylinder 307 is hingedly mounted on pedestal 301, the second hydraulic cylinder 307
Piston rod is hingedly mounted on trailing arm 308.
In the present invention, No. 2 strip clamping and conveying devices, the work for converging clamping and conveying device, cutting preceding clamping and conveying device and rewinding clamping and conveying device
With being toward downstream conveyor belt material, therefore, in order to avoid strip bends deformation, the structure of these clamping and conveying devices refers to No. 1 band
Expect clamping and conveying device 3.
As shown in figure 5, spraying strong device for cooling 5 includes horizontally disposed cooler bin 501, the both ends of cooler bin 501 are set respectively
There are forward (FWD) mouth 502 and band outlet 503, the of powder coating on spray steel band 2 is equipped in the cooler bin 501 of forward (FWD) mouth 502
One spray tube 504 carries out spraying cooling to powder coating first, and if it is single layer steel band 2, then only setting side sprays, if
It is clad steel band, then needs to be arranged two sides spray, first spray tube 504, the first spray is respectively set in the upper and lower surface of steel band 2
The downstream of pipe 504 is equipped with the second spray tube 505 for spraying 2 two surfaces of steel band respectively, and further cool down steel band 2, the first spray
Pipe 504 and the second spray tube 505 are connected with cooling water pipe 507；Spray is equipped in the cooler bin 501 of band outlet 503
The third spray tube 506 on 2 two surfaces of steel band, third spray tube 506 connect liquid nitrogen pipe 508, the quick of steel band 2 may be implemented
It cools, the length of cooler bin 501 can be shortened in this way；The bottom of cooler bin 501 is equipped with waste collection mouth 510, cooler bin
501 top is equipped with gas sampling mouth 509, and the condensed water after cooling water and liquid nitrogen distillation can be received by waste collection mouth 510
Collect and recycles, and the gas and water vapour of liquid nitrogen distillation can be collected and be recycled by gas sampling mouth 509, and discharge is reduced.
Means for correcting 6 usually be set in the downstream for spraying strong device for cooling 5, means for correcting 6 includes rack 601, in rack 601
It is rotatably equipped with lower mold roller 602, slides vertically and is equipped with by third hydraulic oil in the rack 601 opposite with lower 602 position of mold roller
The slide 604 that cylinder 603 drives, is rotatably equipped with the upper mold roller 605 driven by servo motor on slide 604, when working condition, the
The piston rod of three hydraulic cylinders 603 stretches out, and slide 604 is driven to glide, and servo motor drives upper mold roller 605 to rotate, while upper mold
Steel band 2 is pressed in lower mold roller 602 by roller 605, and the length of upper mold roller 605 and lower mold roller 602 is adapted with the width of steel band 2, and
And the both ends of upper mold roller 605 and lower mold roller 602 are disposed as taper, on the one hand can quickly eliminate steel band 2 and spray strong cold mistake
On the other hand the thermal stress generated in journey can will be corrected by upper mold roller 605 and the steel band 2 in lower 602 gap of mold roller, usually be pressed
Two groups of means for correctings 6 are set gradually according to the conveying direction of steel band 2, further improve production efficiency.
In order to adapt to the needs of high-speed production, strip needs be up to nearly two in tensioning state during transportation
On hundred meters of production line, to realize that the tensioning of strip is a very difficult thing, as another inventive point of the invention,
Inventor has studied a set of tension balance device 4, and following several positions of production line are arranged in this set tension balance device 4,
Entry loop device front-rear position is respectively provided with a set of tension balance device 4, and a set of be somebody's turn to do is arranged before steel band 2 enters flush coater
A set of tension balance device 4 is arranged after spraying strong device for cooling in tension balance device 4, sets after spraying strong device for cooling 5
A set of tension balance device 4 is set, a set of tension balance device 4 is set after outlet looping device, it in this way can be effective
Solve the problems, such as tensioning of the steel band 2 in entire transmission process.As shown in figure 4, the tension balance device 4 includes support base 401,
The first equal jockey pulley 403 of diameter, the second jockey pulley 404, third jockey pulley 405 and are arranged in sequence on support base 401
Four jockey pulleys 406, the first jockey pulley 403, the second jockey pulley 404, third jockey pulley 405 and the 4th jockey pulley 406 center line
It is arranged in parallel and is rotatably installed on support base 401 by bearing block, wherein the second jockey pulley 404 and third jockey pulley 405
Axial location be higher than the axial location of the first jockey pulley 403 and the 4th jockey pulley 406, be mounted on one on every jockey pulley
Roll force 407, the rotational installation of roll force 407 are cranked arm on 408 in one, and 408 one end of cranking arm are hinged on support base 401, the other end
It is connected with a cylinder 409, steel band 2 is pressed on the surface of jockey pulley by roll force 407, and support base 401 is equipped with gantry beam
402, gantry beam 402 is hinged with an adjustment arm between the second jockey pulley 404 and third jockey pulley 405 on gantry beam 402
410, the both ends of adjustment arm 410 are rotatably equipped with a pressure roller 411 respectively, and two pressure rollers 411 are pressed respectively against the second jockey pulley 404 and the
On three jockey pulleys 405.In use, steel band 2 initially enters the second jockey pulley 404, then the first jockey pulley of pile warp 403 and the 4th
Power roller 406 is exported by third jockey pulley 405, and when the tension of 402 two sides steel band 2 of gantry beam changes, adjustment arm 410 is just
It can swing therewith, pressure roller 411 just presses to the small side of tension, generates tensile force, and roll force 407 is then adjusted in advance as needed
On the one hand position can guarantee cornerite of the steel band 2 on jockey pulley, on the other hand can apply tensile force, pressure to steel band 2 in advance
Roller 411 plays the role of adjusting tensile force at any time during the work time, is a quick condition, thus very good solution steel
Tension variation with 2 during transportation, ensure that spraying effect and production efficiency.
It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit protection model of the invention
It encloses.In addition, it should also be understood that, after reading the technical contents of the present invention, those skilled in the art can make the present invention each
Kind change, modification and/or variation, all these equivalent forms equally fall within guarantor defined by the application the appended claims
Within the scope of shield.
Claims (6)
1. a kind of steel plate color-coating process units, the process units includes No. 1 strip decoiling equipment set gradually, No. 1 strip
Clamping and conveying device, converges clamping and conveying device, riveting set, pressuring flat device, entry loop device, degreasing at No. 1 strip entrance shear
Device, water washing device, change painting machine, change painting drying unit, flush coater, infrared technique and the spraying curing oven of circulating air combination,
It sprays strong device for cooling, coating spraying furnace, coating molding machine, outlet looping device, film covering device, cut preceding clamping and conveying device, discharging
Shear, rewinding clamping and conveying device and wrap-up；The coating molding machine includes bracket, more than one on bracket
Forming press-roller, the forming press-roller and the bracket axis connection, the forming press-roller is arranged right below support roller, the molding
Pressure roller outer surface is equipped with the coating mold detachably replaced, and the forming press-roller passes through the servo that connect with the forming press-roller
Motor control rotation, it is characterised in that: No. 1 strip clamping and conveying device includes pedestal, is fixedly installed with column on the pedestal,
The top of the column is hingedly equipped with counter-jib, and one end of the counter-jib is rotatably equipped with the active driven by servo motor
Roller, is equipped with the first hydraulic cylinder between the other end of the counter-jib and the column, be rotatably equipped on the column one from
Dynamic roller, the driven voller are corresponding with the drive roll position；It is hinged on the column corresponding with the driven voller position
Trailing arm is installed, the trailing arm has the support face of support steel band, and the second hydraulic cylinder is equipped between the trailing arm and pedestal.
2. steel plate color-coating process units as described in claim 1, it is characterised in that: with No. 1 strip decoiling equipment, No. 1
Strip clamping and conveying device and No. 1 strip entrance shear parallel side-by-side are equipped with No. 2 strip decoiling equipments, No. 2 strip clamping and conveying devices
With No. 2 strip entrance shears, No. 1 strip entrance shear and No. 2 strip entrance shears converge described
Converge at clamping and conveying device.
3. steel plate color-coating process units as described in claim 1, it is characterised in that: the infrared technique and circulating air combine
Spraying curing oven in be equipped with 260 DEG C of circulating air, and be located at the infrared technique and spraying solidification that circulating air combines
The entrance location of furnace is equipped with near-infrared (NIR) irradiated heat device.
4. steel plate color-coating process units as claimed in claim 3, it is characterised in that: near-infrared (NIR) the irradiated heat dress
It sets including fixed frame, the upper mounting rack and lower mounting rack being oppositely arranged up and down in the fixed frame, steel band are located on described
It is conveyed between mounting rack and lower mounting rack, the upper mounting rack and adjacent two surfaces of lower mounting rack are mounted on several close red
The extending direction of outer lamp, the near-infrared lamp is vertical with the conveying direction of steel band.
5. steel plate color-coating process units as claimed in claim 4, it is characterised in that: phase on the upper mounting rack and lower mounting rack
Guard pins are equipped between the two adjacent near-infrared lamps, the guard pins are perpendicular to the upper mounting rack or the table of lower mounting rack
Face, the end of the guard pins are less than the distance of the near-infrared lamp to steel strip surface to the distance of steel strip surface.
6. steel plate color-coating process units as described in claim 1, it is characterised in that: the strong device for cooling of spraying is set including level
The cooler bin set, the both ends of the cooler bin are respectively equipped with forward (FWD) mouth and band outlet, close to the cooler bin of the forward (FWD) mouth
Interior the first spray tube for being equipped with powder coating on spray steel band, the downstream of first spray tube is equipped with sprays steel band two respectively
Second spray tube on surface, first spray tube and the second spray tube are connected with cooling water pipe；Close to the band outlet
The cooler bin in be equipped with the third spray tube on spray two surfaces of steel band, the third spray tube connects liquid nitrogen pipe；It is described
The bottom of cooler bin is equipped with waste collection mouth, and the top of the cooler bin is equipped with gas sampling mouth.
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| CN109550647B (en) * | 2018-03-17 | 2020-09-01 | 广东力同环保机械有限公司 | Double-side double-coating color aluminum production line |
| CN110142192A (en) * | 2019-06-06 | 2019-08-20 | 甘肃路桥新锐交通科技有限责任公司 | The two-in-one composite coating spraying method of highway guard rail upright post, corrugated guardrail plate |
| CN112044983B (en) * | 2020-08-21 | 2022-05-20 | 武汉交通职业学院 | Advertising board processing equipment |
| CN112156930A (en) * | 2020-10-14 | 2021-01-01 | 兴化市海斯美尔医疗器材有限公司 | Production of medical bandage is with effectual spraying device of drying |
| CN112354729B (en) * | 2020-10-31 | 2022-03-29 | 山东鲁昌铝业有限公司 | Processing technology of aluminum alloy section |
| CN113385327A (en) * | 2021-06-22 | 2021-09-14 | 湖北增江建设工程有限公司 | Anticorrosive antirust coating preparation processing system is made to various steel sheet |
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Effective date of registration: 20190701 Address after: 256501 Pangjia Industrial Park, Pangjia Town, Boxing County, Binzhou City, Shandong Province, 27 Patentee after: Seaga powder technology (Binzhou) Co., Ltd. Address before: 264000 Xiangchengmiao Village, Xinjia Street, Longkou City, Yantai City, Shandong Province Patentee before: Seagull Technology (Yantai) Co., Ltd. powder |